#include <STC15F2K60S2.H>

void led_disp(uchar adder,enable)
{
	static uchar temp = 0x00;
	static uchar temp_old = 0xff;
	
	if(enable)
	temp |= 0x01<<adder;
	else
	temp &= ~(0x01<<adder);	
	
	if(temp!=temp_old)
	{
	
		
	P0 = ~temp;
	P2 = P2&0X1F |0X80;
	P2 &= 0X1F ;
	temp_old = temp;
	
	}


}